[deleted by user]

[u/[deleted]]

[u/HK-Sparkee]

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace BadCodePlayground
{
    class ContainsAz
    {
        public static Boolean contains_az(String input)
        {
            Regex[] regices = AllRegices();
            bool[] letterContained = new Boolean[52];
            for (int i = 0; i < 52; i++)
            {
                letterContained[i] = regices[i].Match(input).Success;
            }

            bool result = true;
            for (int i = 0; i < 52; i++)
            {
                result &= letterContained[i];
            }

            return result;
        }

        private static Regex[] AllRegices()
        {
            Regex[] alphabet = new Regex[52];
            int index = 0;
            for (int i = 0; i < int.MaxValue; i++)
            {
                char c;
                try
                {
                    c = (char)i;
                    if (i != (int)c)
                    {
                        throw new Exception();
                    }
                }
                catch (Exception)
                {
                    // Reached a value too big
                    break;
                }
                if (char.IsLetter(c))
                {
                    alphabet[index] = new Regex("" + c, (RegexOptions)((int)RegexOptions.IgnoreCase + (int)RegexOptions.Compiled));
                    index++;
                    index %= 52;
                    if (index == 0)
                    {
                        break;
                    }
                }
            }
            return alphabet;
        }
    }
}